Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 936 [Rate centres in NPA 936] [Dial plan for NPA 936]

NXX: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-447 A Lake Conroe EMS TX LKCFTXXLRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-447 0 Lake Conroe EMS TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2008-07-06   
936-447 1 Lake Conroe EMS TX LKCFTXXLRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-447 2 Lake Conroe EMS TX LKCFTXXLRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-447 3 Lake Conroe EMS TX LKCFTXXLRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-447 4 Lake Conroe EMS TX LKCFTXXLRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-447 5 Lake Conroe EMS TX LKCFTXXLRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-447 6 Lake Conroe EMS TX LKCFTXXLRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-447 7 Lake Conroe EMS TX LKCFTXXLRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-447 8 Lake Conroe EMS TX LKCFTXXLRS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-447 9 Lake Conroe EMS TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2008-04-07   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.